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<p>[QUOTE=&quot;Endeavor, post: 1845636, member: 60292&quot;]I pretty much spent my entire Friday night cooking coins. I was trying to give some color to some of my coins. I used regular nickels - nothing valuable. Most of the experiments I found online, a few I just made up. I tried the hardboiled egg in a zip lock bag. See photo below.</p><p><br /></p><p>[ATTACH=full]307496[/ATTACH]</p><p><br /></p><p>I then added a second egg to the bag...</p><p><br /></p><p>[ATTACH=full]307497[/ATTACH]</p><p><br /></p><p>I left them in the bag about an hour. That didn&#039;t do anything except stink up the kitchen. I also wasted two eggs.</p><p><br /></p><p>I then tried submerging a coin in ammonia in a small coffee dish (see photo below).</p><p><br /></p><p>[ATTACH=full]307498[/ATTACH]</p><p><br /></p><p>That did nothing either.</p><p><br /></p><p>I tried baking the coins in the oven for an hour...</p><p><br /></p><p>[ATTACH=full]307500[/ATTACH]</p><p><br /></p><p>[ATTACH=full]307499[/ATTACH]</p><p><br /></p><p>I covered 2 of the 3 coins with a napkin. Nothing again.</p><p><br /></p><p>I did several other things without success. It seems like the only way to really tone a coin is to know hardcore chemistry. Even though it was a failure, at least it was fun and gave me something to do.</p><p><br /></p><p>Oh I almost forgot... I put one nickel in a small zip lock bag with shampoo (see photo below). That has been sitting in there for a few hours. I haven&#039;t taken it out yet. I plan on letting this one sit for a day or two. I will post photos of result later.</p><p><br /></p><p>[ATTACH=full]307501[/ATTACH][/QUOTE]</p><p><br /></p>

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